usage: the discipline dealing with the principles of design and construction and ornamentation of fine buildings; "architecture and eloquence are mixed arts whose end is sometimes beauty and sometimes use"

3. architecture, profession

usage: the profession of designing buildings and environments with consideration for their esthetic effect

4. computer architecture, architecture, structure

usage: (computer science) the structure and organization of a computer's hardware or system software; "the architecture of a computer's system software"